Numerical Simulation of Fluctuating Propeller Forces and Comparison with Experimental Data

Ming Zhou Chen; Qi Dou Zhou

doi:10.4028/www.scientific.net/AMM.105-107.518

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 105-107Numerical Simulation of Fluctuating Propeller...

Numerical Simulation of Fluctuating Propeller Forces and Comparison with Experimental Data

Abstract:

Unsteady CFD method based on realizable k-ε model is used for predicting unsteady forces of propeller working in non-uniform wake. First, CFD computations with different mesh scales were conducted at the propeller design condition, the results show that mesh refinement changed the results little. Then unsteady CFD simulation with different time step intervals was conducted for determining suitable time step interval, the results show that it is suitable for propeller rotating 3° per step. Based on the chosen mesh and time step interval, unsteady CFD simulation of propeller P4118 was conducted in 3-cycle and 4-cycle inflow, the unsteady thrust, torque and horizontal force agree well with experimental data, the results show that CFD method has good accuracy in predicting unsteady propeller forces.

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Periodical:

Applied Mechanics and Materials (Volumes 105-107)

Pages:

518-522

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.105-107.518

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Online since:

September 2011

Authors:

Ming Zhou Chen, Qi Dou Zhou

Keywords:

Computational Fluid Dynamics (CFD), Fluctuating Force, Propeller, Side Force, Unsteady

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